chang was on an earlier occasion allowed by nasa supervisors to take his work and other nasa research back to china. hard to believe, jenna. jenna: interesting. you said really there was one whistleblower that brought this to the congressman's attention, so is nasa doing anything now to crack down on this sort of thing? >> reporter: you know, authorities at the langley research center apparently moved quickly, according to wolf, to review security protocols, but nasa is slower to do so. when officials learned of the behavior, one of them wrote in an internal e-mail, quoting now: >> r eporter: wolf is asking for an independent review of all of nasa's security protocols. jenna? jenna: we'll stay on this story, doug, thank you. >> reporter: sure thing. jon: new reaction as the former sec secretary of state, hillary clinton, takes a new stand on a key social issue generating more buzz about her political future. less than two months after leaving the state department, mrs. clinton stepped back into the national spotlight, releasing a recorded video announcement saying that she now support